Examples with OperationHandle org.apache.hive.service.cli.OperationHandle used on opensource projects

Example 56 with OperationHandle

use of org.apache.hive.service.cli.OperationHandle in project hive by apache.

the class TestOperationLoggingLayout method testSwitchLogLayout.

@Test
public void testSwitchLogLayout() throws Exception {
    // verify whether the sql operation log is generated and fetch correctly.
    OperationHandle operationHandle = client.executeStatement(sessionHandle, sqlCntStar, null);
    RowSet rowSetLog = client.fetchResults(operationHandle, FetchOrientation.FETCH_FIRST, 1000, FetchType.LOG);
    String queryId = getQueryId(rowSetLog);
    Assert.assertNotNull("Could not find query id, perhaps a logging message changed", queryId);
    checkAppenderState("before operation close ", LogDivertAppender.QUERY_ROUTING_APPENDER, queryId, false);
    checkAppenderState("before operation close ", LogDivertAppenderForTest.TEST_QUERY_ROUTING_APPENDER, queryId, false);
    client.closeOperation(operationHandle);
    checkAppenderState("after operation close ", LogDivertAppender.QUERY_ROUTING_APPENDER, queryId, true);
    checkAppenderState("after operation close ", LogDivertAppenderForTest.TEST_QUERY_ROUTING_APPENDER, queryId, true);
}

Example 57 with OperationHandle

use of org.apache.hive.service.cli.OperationHandle in project cdap by caskdata.

the class BaseHiveExploreService method execute.

@Override
public QueryHandle execute(NamespaceId namespace, String statement, @Nullable Map<String, String> additionalSessionConf) throws ExploreException, SQLException {
    startAndWait();
    try {
        SessionHandle sessionHandle = null;
        OperationHandle operationHandle = null;
        LOG.trace("Got statement '{}' with additional session configuration {}", statement, additionalSessionConf);
        Map<String, String> sessionConf = startSession(namespace, additionalSessionConf);
        String database = getHiveDatabase(namespace.getNamespace());
        try {
            sessionHandle = openHiveSession(sessionConf);
            // Switch database to the one being passed in.
            setCurrentDatabase(database);
            operationHandle = executeAsync(sessionHandle, statement);
            QueryHandle handle = saveReadWriteOperation(operationHandle, sessionHandle, sessionConf, statement, database);
            LOG.trace("Executing statement: {} with handle {}", statement, handle);
            return handle;
        } catch (Throwable e) {
            closeInternal(getQueryHandle(sessionConf), new ReadWriteOperationInfo(sessionHandle, operationHandle, sessionConf, "", database));
            throw e;
        }
    } catch (HiveSQLException e) {
        throw getSqlException(e);
    } catch (Throwable e) {
        throw new ExploreException(e);
    }
}

Example 58 with OperationHandle

use of org.apache.hive.service.cli.OperationHandle in project cdap by caskdata.

the class BaseHiveExploreService method createNamespace.

@Override
public QueryHandle createNamespace(NamespaceMeta namespaceMeta) throws ExploreException, SQLException {
    startAndWait();
    try {
        // This check prevents the extra warn log.
        if (NamespaceId.DEFAULT.equals(namespaceMeta.getNamespaceId())) {
            return QueryHandle.NO_OP;
        }
        Map<String, String> sessionConf = startSession();
        SessionHandle sessionHandle = null;
        OperationHandle operationHandle = null;
        try {
            sessionHandle = openHiveSession(sessionConf);
            QueryHandle handle;
            if (Strings.isNullOrEmpty(namespaceMeta.getConfig().getHiveDatabase())) {
                // if no custom hive database was provided get the hive database according to cdap format and create it
                // if one does not exists since cdap is responsible for managing the lifecycle of such databases
                String database = createHiveDBName(namespaceMeta.getName());
                // "IF NOT EXISTS" so that this operation is idempotent.
                String statement = String.format("CREATE DATABASE IF NOT EXISTS %s", database);
                operationHandle = executeAsync(sessionHandle, statement);
                handle = saveReadOnlyOperation(operationHandle, sessionHandle, sessionConf, statement, database);
                LOG.info("Creating database {} with handle {}", database, handle);
            } else {
                // a custom database name was provided so check its existence
                // there is no way to check if a hive database exists or not other than trying to use it and see whether
                // it fails or not. So, run a USE databaseName command and see if it throws exception
                // Other way can be to list all database and check if the database exists or not but we are doing USE to
                // make sure that user can acutally use the database once we have impersonation.
                String statement = String.format("USE %s", namespaceMeta.getConfig().getHiveDatabase());
                // if the database does not exists the below line will throw exception from hive
                try {
                    operationHandle = executeAsync(sessionHandle, statement);
                } catch (HiveSQLException e) {
                    // then we will get an exception from Hive with error code 10072 which represent database was not found
                    if (e.toTStatus().getErrorCode() == ErrorMsg.DATABASE_NOT_EXISTS.getErrorCode()) {
                        // TODO: Add username here
                        throw new ExploreException(String.format("A custom Hive Database %s was provided for namespace %s " + "which does not exists. Please create the database in hive " + "for the user and try creating the namespace again.", namespaceMeta.getConfig().getHiveDatabase(), namespaceMeta.getName()), e);
                    } else {
                        // some other exception was generated while checking the existense of the database
                        throw new ExploreException(String.format("Failed to check existence of given custom hive database " + "%s for namespace %s", namespaceMeta.getConfig().getHiveDatabase(), namespaceMeta.getName()), e);
                    }
                }
                // if we didn't got an exception on the line above we know that the database exists
                handle = saveReadOnlyOperation(operationHandle, sessionHandle, sessionConf, statement, namespaceMeta.getConfig().getHiveDatabase());
                LOG.debug("Custom database {} existence verified with handle {}", namespaceMeta.getConfig().getHiveDatabase(), handle);
            }
            return handle;
        } catch (Throwable e) {
            closeInternal(getQueryHandle(sessionConf), new ReadOnlyOperationInfo(sessionHandle, operationHandle, sessionConf, "", ""));
            throw e;
        }
    } catch (HiveSQLException e) {
        throw getSqlException(e);
    } catch (Throwable e) {
        throw new ExploreException(e);
    }
}

Example 59 with OperationHandle

use of org.apache.hive.service.cli.OperationHandle in project cdap by caskdata.

the class BaseHiveExploreService method getColumns.

@Override
public QueryHandle getColumns(String catalog, String schemaPattern, String tableNamePattern, String columnNamePattern) throws ExploreException, SQLException {
    startAndWait();
    try {
        SessionHandle sessionHandle = null;
        OperationHandle operationHandle = null;
        Map<String, String> sessionConf = startSession();
        String database = getHiveDatabase(schemaPattern);
        try {
            sessionHandle = openHiveSession(sessionConf);
            operationHandle = cliService.getColumns(sessionHandle, catalog, database, tableNamePattern, columnNamePattern);
            QueryHandle handle = saveReadOnlyOperation(operationHandle, sessionHandle, sessionConf, "", database);
            LOG.trace("Retrieving columns: catalog {}, schemaPattern {}, tableNamePattern {}, columnNamePattern {}", catalog, database, tableNamePattern, columnNamePattern);
            return handle;
        } catch (Throwable e) {
            closeInternal(getQueryHandle(sessionConf), new ReadOnlyOperationInfo(sessionHandle, operationHandle, sessionConf, "", database));
            throw e;
        }
    } catch (HiveSQLException e) {
        throw getSqlException(e);
    } catch (Throwable e) {
        throw new ExploreException(e);
    }
}

Example 60 with OperationHandle

use of org.apache.hive.service.cli.OperationHandle in project cdap by caskdata.

the class BaseHiveExploreService method getTableTypes.

@Override
public QueryHandle getTableTypes() throws ExploreException, SQLException {
    startAndWait();
    try {
        SessionHandle sessionHandle = null;
        OperationHandle operationHandle = null;
        Map<String, String> sessionConf = startSession();
        try {
            sessionHandle = openHiveSession(sessionConf);
            operationHandle = cliService.getTableTypes(sessionHandle);
            QueryHandle handle = saveReadOnlyOperation(operationHandle, sessionHandle, sessionConf, "", "");
            LOG.trace("Retrieving table types");
            return handle;
        } catch (Throwable e) {
            closeInternal(getQueryHandle(sessionConf), new ReadOnlyOperationInfo(sessionHandle, operationHandle, sessionConf, "", ""));
            throw e;
        }
    } catch (HiveSQLException e) {
        throw getSqlException(e);
    } catch (Throwable e) {
        throw new ExploreException(e);
    }
}